23 facts about the human body that will surprise you every time!
You probably imagine that the human body is something difficult to define. The basics are simple, but did you know, for example, that there is enough iron in your body to make a nail?
1. In reality, the heart doesn’t actually pump. It twists itself to circulate the blood.
2. Just like your fingerprints, your smell is unique from everyone else’s in the world.
3. Your fingertips can regenerate themselves.
4. Your body kills about 19 potentially cancerous cells every minute.
5. If your skull weren’t full of liquid, your brain would collapse under its own weight.
6. Nerve impulses travel at a speed of more than 170 miles per hour.
7. Just like bats, humans are capable of using echolocation. You simply have to train yourself to do it.
8. Ejaculation doesn’t necessarily mean that the man has had an orgasm, because it is controlled by the nerve endings in the lower spinal cord.
9. There is enough iron in your body to make a nail.
10. A bite from a human will almost always become infected.
11. Humans are the best distance runners in the animal kingdom. There is a thing called persistence running, where people run after animals until the animal can no longer keep going.
12. When a pregnant woman suffers organ damage, the fetus sends stem cells to repair the damage.
13. Your hands are capable of amazing motor control, but your eyesight prevents you from using their full potential.
14. When a woman dreams that she’s having an orgasm, her brains actually releases the hormones as though it were happening in real life.
15. The bacteria present in your body weighs approximately 4½ pounds.
16. The human body contains 10 times more bacteria cells than human cells.
17. Your sense of smell is the last sense to awaken in the morning.
18. When you blush, the lining of your stomach blushes too.
19. Synovial fluid, the fluid that eases joint movement, is the most slippery substance known to man.
20. It would take 1,200,000 mosquitoes all sucking at the same time to complete drain the average human of blood.
21. Your fingers do not contain any muscles; they are completely controlled by tendons.
22. Your eyes see the world upside-down, but your brain corrects it for you.
23. Human saliva contains opiorphin, a protein that is three times more effective than protein.
By Straker Julia
Writer
Passionate about writing, I write articles on the subjects that I love. Creativity and Animals themes are my favorites!
